Epson DFX-9000 Field Repair Guide
3/29/07
Troubleshooting
Printer Component,
Software Item,
LCD Display,
Printer Button
Page 135.
Some dots missing or extra dots printed
Action:
1.
Clean or replace the
CES Scale
.
2.
Verify that the
Carrier Cable Unit
is correctly connected to the
ROM Board
and the
Print Head
.
3.
Replace the
Carrier Cable Unit
.
4.
Replace the
Print Head
.
5.
Replace the
ROM Board
.
Incorrect horizontal character spacing
Action:
1.
Check that the
APTC
Adjustment operates normally
2.
Check that the Paper Thickness Adjustment is properly set.
3.
Perform the Bi-D Adjustment.
4.
Clean and lubricate the
Stay Shaft
.
5.
Clean or replace the
CES Scale
.
6.
Check the
CR Drive Belt
(
SP Belt
) Tension Adjustment.
7.
Replace the
SP Belt
.
8.
Replace the
SP Motor Assy
.
9.
Replace the
ROM Board
.